[Core Network] Service Alert 5th February 2019
Posted by David Croft on 05 February 2019 12:37 PM
This is an incident notification regarding an outage on our core network.|
Date: Tuesday, 5th February 2019
Start time: 11:00 GMT
End time: 11:13 GMT
Internet connectivity (external)
During this window packet loss and high latency were experienced to
multiple destinations by ISPs worldwide.
The root cause was multiple device failures at Tier 1 network service
The impact of this outage was not limited to our network and ISPs
worldwide were affected during reconvergence.
Connectivity to IP Voice services and directly peered networks was not impacted.
External notes appear below.
02/05/2019 11:49:06 GMT - The IP NOC has engaged an equipment vendor,
Tier III Technical Support, and Operations Engineering to investigate
multiple devices that went down. Stability is being validated after
most of the devices recovered without any intervention.
02/05/2019 11:19:42 GMT - On February 05, 2018 at 11:00 GMT,
CenturyLink identified a service impact in between in all markets
network wide. The IP NOC is engaged and currently investigating the
suspected equipment issue. Please be advised that updates for this
event will be relayed at a minimum of hourly unless otherwise noted.
The information conveyed hereafter is associated to live
troubleshooting effort and as the discovery process evolves through to
service resolution, ticket closure, or post incident review, details
Read more »
[Core Network] Informational Notice 18th December 2018 - Barclays - Update 1
Posted by David Croft on 19 December 2018 11:31 AM
This issue was resolved at 20:00 last night by Barclays rerouting|
their network traffic.
Customers should now be able to successfully access barclays.net.
On Tue, 18 Dec 2018 at 16:31, David Croft <david.croft at comtec.com> wrote:
> A number of customers have reported an inability to access
> https://cashmanagement.barclays.net/ since the weekend
> We have conclusively proved that there is no issue on our network,
> even going as far as to packet capture at all of our border routers
> which has verified that absolutely no response is being received from
> 126.96.36.199 to the TCP SYN packets which initiate the connection.
> We have been in contact with Barclays's DDoS protection provider
> Akamai/Prolexic who, while unable to divulge the exact problem due to
> the nature of their business, have also absolutely confirmed that the
> issue is not on their network but with Barclays.
> We have reached out to Barclays through multiple channels in an
> attempt to reach an network engineer in the correct department to
> diagnose and fix this problem however as yet they have not been
> David Croft
> For urgent operational issues please always contact noc at comtec.com
> or 0845 899 1423 and not any named individual.
Read more »
[Core Network] Informational Notice 18th December 2018 - Barclays
Posted by David Croft on 18 December 2018 04:31 PM
A number of customers have reported an inability to access|
https://cashmanagement.barclays.net/ since the weekend
We have conclusively proved that there is no issue on our network,
even going as far as to packet capture at all of our border routers
which has verified that absolutely no response is being received from
188.8.131.52 to the TCP SYN packets which initiate the connection.
We have been in contact with Barclays's DDoS protection provider
Akamai/Prolexic who, while unable to divulge the exact problem due to
the nature of their business, have also absolutely confirmed that the
issue is not on their network but with Barclays.
We have reached out to Barclays through multiple channels in an
attempt to reach an network engineer in the correct department to
diagnose and fix this problem however as yet they have not been
Read more »
[Shared Web Hosting] Final notice of withdrawal of PHP 5
Posted by David Croft on 18 November 2018 09:31 AM
This is an advisory notice to customers still running on PHP 5 versions.|
Start date: Saturday, 29th December 2018
Start time: 00:00 GMT (UTC+0000)
End date: Sunday, 30th December 2018
End time: 23:59 GMT (UTC+0000)
As previously announced, all PHP 5 versions are end of life and PHP
5.6 will stop receiving security updates after 31st December 2018 .
All remaining websites on shared hosting running PHP 5.6 will be
upgraded to PHP 7 during this maintenance window.
Customers with dedicated servers will not be affected, although they
are strongly advised to upgrade as PHP 5.6 will receive no further
security support and we will be unable to support it.
Shared web hosting customers running PHP 5 versions.
HIGH - Customer websites will be upgraded to PHP 7 and this will
entail a short outage of the website as well as potential ongoing
disruption if the software is not compatible with PHP 7.
As this contains a major software version upgrade, this e-mail serves
as 30 days notice of a change to the technical functionality of the
Service that does not diminish the Service under clause 2.5 of the
Master Services Agreement.
We recommend that customers verify in advance that their software is
compatible with PHP 7 and if necessary upgrade it .
Read more »
Christmas moratorium 2018-2019
Posted by David Croft on 05 November 2018 07:50 PM
Please be advised of the following Christmas moratorium scheduled on|
Start date: Tuesday, 11th December 2018
End date: Friday, 4th January 2019
In line with industry best practice, we and our suppliers will be
instituting our annual change freeze between these dates in order to
protect customer services.
There will be an moratorium on changes across our network during this
period. Provision activities may be delayed and lead times will be
impacted if they fall within or after this window. Repair activities
will not be affected.
If we carry out any maintenance activity during this window, it will
be for emergency reasons and will be carried out to protect customer
service and the network from an uncontrolled loss of service.
Please ensure any new orders are submitted in good time to avoid being
affected by this window.
Please note that a few of our suppliers have extended moratoriums
greater than the above time period and our ability to deliver certain
orders may be impacted by this. Customers will be advised at the point
of order if this affects them.
Read more »